13204340353361 has 2 divisors, whose sum is σ = 13204340353362. Its totient is φ = 13204340353360.

The previous prime is 13204340353333. The next prime is 13204340353447. The reversal of 13204340353361 is 16335304340231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12008609038336 + 1195731315025 = 3465344^2 + 1093495^2 .

It is a cyclic number.

It is not a de Polignac number, because 13204340353361 - 2⁶ = 13204340353297 is a prime.

It is not a weakly prime, because it can be changed into another prime (13204340343361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602170176680 + 6602170176681.

It is an arithmetic number, because the mean of its divisors is an integer number (6602170176681).

Almost surely, 2^{13204340353361} is an apocalyptic number.

It is an amenable number.

13204340353361 is a deficient number, since it is larger than the sum of its proper divisors (1).

13204340353361 is an equidigital number, since it uses as much as digits as its factorization.

13204340353361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 13204340353361 its reverse (16335304340231), we get a palindrome (29539644693592).

The spelling of 13204340353361 in words is "thirteen trillion, two hundred four billion, three hundred forty million, three hundred fifty-three thousand, three hundred sixty-one".